Contamination of extended life coolant: Pontiac GTO Heating & Air Conditioning

Problem overview

Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.

3 people reported this problem

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Pontiac GTO vehicles with this problem

3 model years affected

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Contamination of extended life coolant on Pontiac GTO

Problem overview

Pontiac GTO vehicles with this problem

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